Multi-Tech Systems MVP-2400, MVP-2410, MVP-3010 manual 396

Operation & Maintenance			MultiVOIP User Guide
		T1 Statistics: Field Definitions (cont’d)
	Field	Values	Description
	Name
	Yellow Alarm	Tally since last	The alarm signal sent by a remote T1/E1
		reset.	device to indicate that it sees no receive signal
			or cannot synchronize on the receive signal.
	Frame Search		[To be supplied.]
	Restart Flag
	Loss of	Tally since last	In D4 or ESF mode, displayed value will
	MultiFrame	reset.	increment if multiframe alignment has been
	Alignment		lost or if loss of frame alignment has been
			detected.
	Transmit Slip	Tally since last	Slip in transmitted data stream. Slips indicate
		reset.	a clocking mismatch (or lack of
			synchronization) between T1/E1 devices.
			When slips occur, data may be lost or
			repeated.
	Pulse Density		The pulse density of the received data stream
	Violation		is below the requirement defined by ANSI
			T1.403 or more than 15 consecutive zeros are
			detected.
	Line		The line loopback activation signal has
	Loopback		been detected in the received bit stream.
	Activation
	Signal
	Transmit Line		At least 32 consecutive zeros were
	Open		transmitted.
	Transmit Data		For use by MTS Technical Support
	Underrun		Personnel.
	Transmit Slip		The frequency of the transmit clock is
	Negative		greater than the frequency of the transmit
			system interface working clock. A frame
			is skipped.

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